[Qgis-user] Reading of large SQLite files

2012-10-23 Thread Andrea Peri
Hi, this issue is due to a choose of the spalite provider. Splite is really fast to use the data, but when add a new layer to the canvas, it need to analyze all the dataset to understand the largex bbox. To do this it could take also many minutes. After this phase it will be more fast to use it.

[Qgis-user] work-flow please for overlaying precip pattern on top of DEM

2012-10-23 Thread Bhaskaran
Hi all, I am new to QGIS. Have spent several weeks full time trying to understand some basic features. I found it very difficult to achieve the following: Precipitation distribution (Raster image) overlayed on top of a DEM. I basically like to highlight precip-orography relationships (eg., rain

[Qgis-user] automatisch Polygon erstellen um Objekte

2012-10-23 Thread tobias
Guten Tag, ich habe folgendes Problem: Ich habe eine GPS-Fahrspur bestehend aus Punktdaten. Aus dieser Fahrspur habe ich mit der Pufferfunktion (Pufferbreite = Arbeitsbreite der Maschine; Pufferergebnis auflösen = angehakt) ein Polygon erzeugt. Da der GPS-Empfänger nicht der beste ist, habe ich

[Qgis-user] Rasterize vector

2012-10-23 Thread Luciano La Sala
Dear QGIS experts, I am using QGIS V. 1.8.0. and I have a shapefile of Argentina which I need to convert to raster. I looks as a pretty straightforward process, but along the way I hit the following problem: 1) Once the vector file is loaded, I go to Raster Conversion Rasterize (Vector to

[Qgis-user] Animal movements visualization

2012-10-23 Thread Alberto
Hi all, I was wondering if someone knows any easy to use plugin in quantum gis that could be use to draw the network of animal movements from an edgelist of movements (origin - destination) and the location of farms. Any help/comment will be great Thanks Alberto

Re: [Qgis-user] Rasterize vector

2012-10-23 Thread David J. Bakeman
On 10/23/2012 10:10 AM, Luciano La Sala wrote: Dear QGIS experts, I am using QGIS V. 1.8.0. and I have a shapefile of Argentina which I need to convert to raster. I looks as a pretty straightforward process, but along the way I hit the following problem: 1) Once the vector file is loaded,

Re: [Qgis-user] Qgis-user Digest, Vol 80, Issue 49

2012-10-23 Thread Hannia Vega
. . . . . . . . . qwerty ? - -- next part -- An HTML attachment was scrubbed... URL: http://lists.osgeo.org/pipermail/qgis-user/attachments/20121023/ae7fe3b9/attachment-0001.html -- Message: 2 Date: Tue, 23 Oct 2012 13:09:40 +0100

Re: [Qgis-user] Animal movements visualization

2012-10-23 Thread Paolo Cavallini
Il 24/10/2012 01:25, Alberto ha scritto: Hi all, I was wondering if someone knows any easy to use plugin in quantum gis that could be use to draw the network of animal movements from an edgelist of movements (origin - destination) and the location of farms. Could you please explain

Re: [Qgis-user] Animal movements visualization

2012-10-23 Thread pcreso
Hi Alberto, This is not a simple topic. It is an area I have worked in intermittently for some time, you might try a search for comments (probably on Postgis lists?) from a colleague, Ben Madin, a vet working on epidemic tracking disease propagation in SE Asia. See:

[Qgis-user] qgis and zmap format

2012-10-23 Thread Matt Boyd
Hi Group, I'm having issues displaying zmap format rasters/grids. The files load okay and the extent and crs all seem good, however the values of the grid don't appear to be read correctly. After trying to select the band (effectively a single band raster) for the colormap or psuedocolor or